Cheap flights from Sydney to San Diego from $491

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
20 Aug — 27 Aug1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Diego are usually found in May or November, booked 16 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from Sydney to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 August 2025.

Round-trip from

$1,135

One-way from

$491

Popular in

December

Cheapest in

May

Average price

$1,656
10/9-17/9
  • 10/9-17/9
  • 3 total stops
  • 82h 21m total
  • Sydney to San Diego
15/10
  • 15/10
  • 2 total stops
  • 32h 08m total
  • Sydney to San Diego
Highest demand for flights based on searches. 14% potential increase in price ($454 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($89 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Sydney to San Diego

Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Wed 10/916:20SYD - SAN
1 stop31h 40mMultiple Airlines
Wed 17/918:59SAN - SYD
2 stops50h 41mMultiple Airlines
Deal found 13/8$1,135
Tue 16/909:20SYD - SAN
1 stop21h 00mAir Canada
Tue 18/1112:45SAN - SYD
1 stop25h 50mAir Canada
Deal found 12/8$1,199
Tue 16/907:30SYD - SAN
2 stops22h 50mMultiple Airlines
Tue 18/1112:45SAN - SYD
1 stop25h 50mMultiple Airlines
Deal found 12/8$1,221
Wed 10/909:10SYD - SAN
2 stops23h 43mAmerican Airlines
Wed 17/913:06SAN - SYD
2 stops24h 59mAmerican Airlines
Deal found 13/8$1,274
Thu 14/809:25SYD - SAN
1 stop22h 54mDelta
Thu 21/815:59SAN - SYD
1 stop21h 36mDelta
Deal found 13/8$1,280
Sat 13/909:30SYD - SAN
1 stop27h 12mUnited Airlines
Mon 29/920:39SAN - SYD
1 stop17h 21mUnited Airlines
Deal found 13/8$1,285
Sat 27/910:20SYD - SAN
1 stop27h 29mUnited Airlines
Sat 4/1018:00SAN - SYD
1 stop19h 55mUnited Airlines
Deal found 13/8$1,303
Tue 23/909:10SYD - SAN
2 stops23h 11mAmerican Airlines
Sat 27/913:06SAN - SYD
2 stops24h 59mAmerican Airlines
Deal found 11/8$1,437
Tue 23/909:30SYD - SAN
1 stop21h 10mUnited Airlines
Sat 27/916:07SAN - SYD
1 stop21h 48mUnited Airlines
Deal found 11/8$1,443
Sat 29/1111:20SYD - SAN
1 stop18h 01mVirgin Australia
Sun 14/1220:40SAN - SYD
1 stop17h 25mVirgin Australia
Deal found 12/8$1,645
Sun 5/1017:20SYD - SAN
1 stop31h 40mMultiple Airlines
Mon 13/1018:59SAN - SYD
2 stops50h 41mMultiple Airlines
Deal found 12/8$1,676

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 15 August 2025.
Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Fly from

Sydney

Fly to

San Diego

Route

Depart

Return

Price

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 10/9

16:20-07:00

1 stop31h 40m

San Diego

Wed 17/9

18:59-14:40

2 stops50h 41m

$1,135

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 16/9

09:20-13:20

1 stop21h 00m

San Diego

Tue 18/11

12:45-09:35

1 stop25h 50m

$1,199

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 16/9

07:30-13:20

2 stops22h 50m

San Diego

Tue 18/11

12:45-09:35

1 stop25h 50m

$1,221

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 10/9

09:10-15:53

2 stops23h 43m

San Diego

Wed 17/9

13:06-07:05

2 stops24h 59m

$1,274

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Fri 19/9

09:30-15:01

2 stops22h 31m

San Diego

Sat 27/9

12:52-07:00

2 stops25h 08m

$1,280

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 30/8

09:25-22:39

2 stops30h 14m

San Diego

Sun 28/9

09:45-06:35

2 stops27h 50m

$1,280

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 30/8

10:20-12:52

1 stop19h 32m

San Diego

Sun 28/9

18:00-06:55

1 stop19h 55m

$1,280

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 18/9

10:20-13:40

2 stops20h 20m

San Diego

Thu 2/10

11:15-07:00

2 stops26h 45m

$1,280

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sat 27/9

10:20-10:06

1 stop16h 46m

San Diego

Sat 4/10

06:53-06:55

2 stops31h 02m

$1,280

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Wed 15/10

17:20-07:28

2 stops32h 08m

$491

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 15 results
1
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Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Diego

How far ahead should I book a flight from Sydney to San Diego?

Use this chart to determine the optimal time to book a return flight from Sydney to San Diego. Price data was last updated on 8 August 2025.

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

Currently, March is the cheapest month in which you can book a flight from Sydney to San Diego (average of $924). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,544). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SYD to SAN?

Find hourly flight availability from Sydney to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 August 2025.

It’s typically best to fly out from Sydney to San Diego in the evening. Doing so could potentially save you 36% on the flight price compared to flying at midday, which is usually more expensive.

What’s the top stopover airport for flights from Sydney to San Diego?

Share of one-stop return flights from Sydney to San Diego chosen by Cheapflights users in the past 12 months, using the same stopover each way.

San Francisco (SFO) – chosen by Cheapflights users on 30% of one-stop itineraries from Sydney to San Diego on Cheapflights.

What’s the cheapest stopover airport for flights from Sydney to San Diego?

Average return fare for one-stop flights from Sydney to San Diego, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Honolulu (HNL) is the most affordable one-stop option, with an average return flight price of $1,806.

What’s the fastest stopover option from Sydney to San Diego?

Shortest average travel time for one-stop one-way flights from Sydney to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Los Angeles (LAX) have the shortest average one-way travel time for one-stop routes: 17h 40m.

Which airport typically offers the quickest stopover for flights from Sydney to San Diego?

Average stopover duration for one-stop one-way flights from Sydney to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Los Angeles (LAX) offer the fastest connection on this route, with an average stopover time of 1h 59m.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 15 August 2025.
Read reviews from past customers who have flown with Air New Zealand, Hawaiian Airlines, andVirgin Australia from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Crew

8.5

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Related info for your journey

Find useful and relevant information for your journey from Sydney to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Sydney to San Diego round-trip?

    Hawaiian Airlines, at $729, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Air New Zealand and Air Canada. Users have found that Hawaiian Airlines is 58% cheaper than the other options available to this destination.

  • Can I find deals for flights from Sydney to San Diego that include hotel bookings?

    Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

  • Can I find deals for business class flights from Sydney to San Diego?

    Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to San Diego?

    Currently, March is the cheapest month in which you can book a flight from Sydney to San Diego (average of $924). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,544). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
San Ysidro

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Sydney to San Diego

Discover the top 5 airlines that operate flights from Sydney to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 15 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$729Average$1,655FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Air New ZealandCheapest$1,196Average$1,364FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,248Average$1,595FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,379Average$1,753FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,748Average$2,398FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to San Diego?

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Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

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Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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